有系统的

This paper introduces hardware and software design of data acquisition system in mine crusher fault diagnosis.

本文以该设备故障诊断为研究对象，介绍了在破碎机故障诊断系统中数据采集子系统的软硬件设计方案，对破碎机故障诊断系统的开发有一定的作用。

This paper analyses the effect of the damping ratio on dynamic characteristic in the second-order system.

阻尼比是二阶系统的一个重要的特征参数，它对二阶系统动态特性有较大的影响。

On the other hand, maintenance and diagnostication for vehicle system should be improved to a higher level to meet the demands of people with the more electronic intelligent in automobile control system. So it is necessarily required a CAN bus monitor and general-purpose diagnostic tool used in manufacture, design and measure.

因此非常有必要研制开发基于CAN总线的总线检测设备和系统诊断装置，通过该装置完成CAN总线通信性能的检测、各控制模块中数据采集和分析、控制数据的发送、汽车系统的维护诊断功能等。

A control system of active power filter based on Digital Signal Processor is presented, and also the configuration and function of the control system is introduced.

本文介绍了一种用于并联型有源滤波器的DSP控制电路系统，并对控制系统的软硬件各部分的结构和功能作了一定的阐述。

This paper addressed the problem of robust H_∞ filter design for linear discrete systems with state delay and parameter uncertainty .

研究了一类含有状态时滞的离散不确定性系统的鲁棒H∞滤波器设计问题，其中，系统的参数不确定性是时变和模有界的。

Bertalan ffy's General System Theory, by reasoning the evolutionaiy process of cell and indivi dual from analogy, man's niche in ecoystem is deduced: it is not only the linkage of food chain, but also the regular-controller in ecosystem.

这种划分对于自然生态系统或只有原始人的生态系统可能是非常正确的，但在今天，生物圈内几乎任何角落都有现代人的影响，而这种影响远非一个普通

It is necessary to introduce robust control strategy and to overcome uncertainties and nonlinearities in the ECC control system.

车辆在行驶过程中是一个典型的时变系统，因此有必要应用了鲁棒性强的控制技术，以克服系统的非线性和不确定性。

This paper mainly studies the technique of the width control of E2 edger mill which belongs to Panzhihua Iron and Steel Industry. It introduces the development of the technique. In addition, this paper describes the Automatic Width Control technique in detail, including the composing and the control principle of the AWC hydraulic system.

本文主要研究了攀钢E2轧机的自动宽度控制液压系统，介绍了宽度控制的发展概况，并详细论述了E2轧机宽度自动控制系统的组成及原理——针对轧制力变化引起立辊轧机有载辊缝波动而相应调节侧压位移量以补偿辊缝波动。

As the electric furnace water heating system of the complexity of their own, so the use of the system on its real-time simulation of dynamic performance and control law, and so have important practical significance.

由于电炉烧水系统的本身的复杂性，所以利用该系统进行的实时仿真对研究其动态性能和控制规律等均有重要的现实意义。

The basic principles and evolution process of Active Power Filter are first introduced. The scheme and structure of single-phase hybrid filter system is then illustrated and quantitative analysis is made based on the harmonic and reactive compensation principles. Through theoretical derivation, the said system has been proved to have the function of harmonic and reactive compensation.

本文首先介绍了有源电力滤波器(Active Power Filter，简称APF)的基本原理及发展历程，阐述了单相混合型滤波系统的方案和结构原理，对其进行了谐波和无功补偿原理的定量分析，通过理论推导证明了该系统具有谐波和无功补偿的功能。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。